JPH02146409U

JPH02146409U -

Info

Publication number: JPH02146409U
Application number: JP5522189U
Authority: JP
Priority date: 1989-05-16
Filing date: 1989-05-16
Publication date: 1990-12-12

Description

[Brief explanation of drawings]

第１図は本考案の実施例を示す平面図、第２図
は第１図のシートコイルを用いて構成したトラン
スの構造の一例を示す斜視図、第３図は第２図の
トランスの巻線構成を示す構成図、第４図は本考
案の他の実施例を示す平面図である。１……絶縁基板、２Ａ……第１の１次コイル形
成用パターン、２Ｂ……第２の１次コイル形成用
パターン、３Ａ……第１の２次コイル形成用パタ
ーン、３Ｂ……第２の２次コイル形成用パターン
。 Fig. 1 is a plan view showing an embodiment of the present invention, Fig. 2 is a perspective view showing an example of the structure of a transformer constructed using the sheet coil shown in Fig. 1, and Fig. 3 is a winding of the transformer shown in Fig. 2. FIG. 4 is a block diagram showing the line configuration, and a plan view showing another embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Insulating substrate, 2A... First primary coil forming pattern, 2B... Second primary coil forming pattern, 3A... First secondary coil forming pattern, 3B... Second pattern for forming the secondary coil.

Claims

[Claims for Utility Model Registration] (1) An insulating substrate, a first primary coil forming pattern and a first secondary coil forming pattern provided on one surface of the insulating substrate, and the other parts of the insulating substrate. a second primary coil forming pattern and a second secondary coil forming pattern formed on a surface, the first and second primary coil forming patterns each having an end portion connected to the insulating material; The opposing end portions of both primary coil forming patterns that are provided to face each other with the substrate in between are connected to each other by a primary coil connecting portion that is provided through the insulating substrate, and the first and the first The second secondary coil forming patterns are provided such that their respective terminal portions face each other with the insulating substrate interposed therebetween, and the opposing terminal portions of both secondary coil forming patterns are provided so as to penetrate through the insulating substrate. A sheet coil for forming a transformer, characterized in that the sheet coil is connected by a secondary coil connecting portion. (2) a rectangular insulating substrate; one end of the insulating substrate is located on one side of the insulating substrate; the other end extends spirally over the surface of the insulating substrate and terminates at a portion near the center of the insulating substrate; The first
a pattern for forming a primary coil, and a pattern for forming a primary coil on the back side of the insulating substrate;
A second coil-forming pattern having one end located at a position opposite to the other end of the coil forming pattern, extending spirally on the back surface of the insulating substrate, and having the other end terminating at the position of the one side of the insulating substrate. a first coil forming pattern having one end located on the other side of the insulating substrate, extending in a spiral shape on the surface of the insulating substrate, and having the other end terminating at a portion near the center of the insulating substrate; a pattern for forming a secondary coil; and a pattern on the back side of the insulating substrate, the first two
A second secondary coil having one end located at a position opposite to the other end of the secondary coil forming pattern, extending spirally on the back surface of the insulating substrate, and having the other end terminating at the position of the other side of the insulating substrate. A sheet coil for forming a transformer, comprising a pattern for forming a coil. (3) The insulating substrate has a first opening on one side.
and a second primary terminal attachment notch, and first and second secondary terminal attachment notches opening on the other side, the first primary coil forming pattern one end and the other end of the second primary coil forming pattern are provided so as to reach inner peripheral edges of the first and second primary terminal attachment notches, respectively, and the first secondary coil forming pattern is formed. One end of the secondary coil forming pattern and the other end of the second secondary coil forming pattern are provided so as to reach the inner periphery of the first and second secondary terminal mounting notches, respectively. The sheet coil for forming a transformer according to claim 2.